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Hi,

I am in the process of constructing a "Carputer" and I am struggling to find an easily accessible wire for my 12v to 5volt regulator to tap power off. I don't really want to run a wire directly from the battery into the cabin so I am hoping some one might already have the knowledge without me going over the wiring diagrams one by one.

Cheers

Hey Anthony

Iv'e got a car pc running in my car, the problem is it was installed by the previous owner so I don't really know much about it. The laptop charger is hooked up to under the rear seat to a power supply. Where do you live, since you can come have a look at my car I live in Canberra.

i would not add any new load to an existing circuit. you will risk burning out the BCM. A fresh power feed from the battery is not hard to do and is the safest option

What is the best way to rout the fresh wiring through to the cabin? I can only see 1 rubber boot on the firewall. Doesn't look fun.

there is 2 ways...

i have run a 4 gauge power wire from the battery, inside conduit in the wiper mechanism cavity, along the bulkhead to the drivers side. the big rubber boot with the main loom has a new hole in it, the power wire and conduit passes thru that and is silicone sealed. impossible to get to due to the abs pump, i started from inside the cabin and worked my way back out.

the other way is to go thru the fresh air vent behind the battery creatively..

There is a large rubber bung behind the battery, pull some wire through it and run your wires beside the oem loom so water doesn't enter the cabin. Make sure you fuse the power from the battery and run a direct earth back for a good circuit.

No worries, I'll attempt removing the battery and routing it through next weekend now *weather/time* but I'll show everyone the finished product once done. I was actually surprise with the picture quality I was able to get with a HDMI to composite converter, it's giving me second thoughts about replacing the screen altogether. I still have to disable that annoying safety feature *speed/handbrake sensor*, so 1 solid weekend I should be able to have it done.

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